*{
	margin: 0;
	padding: 0;
}
.wrapper{
	width: 100%;
	height: 100vh;
	display: flex;
	flex-direction: column;
}
.main{
	width: 100%;
	height: 70vh;
	display: flex;
	margin-bottom: 5vh;
	/*justify-content: center;*/
	/*background-color: #aaa;	*/
	transform: translateY(90px);
	transition-duration: 0.5s;
}
.test{
	position: relative;
	top: 9%;
	bottom: 10%;
	width: 60%;
	height: 90%;
	border: #444 solid 3px;
	border-radius: 10px;
	margin: 0px auto;
}
.levels{
	text-align: center;
	font-size: 8vh;
	margin: 100px auto;
	color: #444;
}
.question{
	text-align: center;
	font-size: 4vh;
	margin: 100px 0 0 0;
}
.question2{
	text-align: center;
	font-size: 4vh;
	color: #fff;
	/*background-color: black;*/
	user-select: none;
}


.foot{
	width: 100%;
	height: 250px;
	overflow: hidden;
	display: flex;
	flex-direction:column;
	justify-content: flex-end;
	user-select: none;
}
.foothead{
	height: 60px;
	background-color: #545E68;
	z-index: 5;
	cursor: pointer;
	text-align: center;
	line-height: 60px;
	font-size: 20px;
	font-weight: bold;
	color: #eee;
	letter-spacing: 3px;
	cursor: pointer;
}
.footbody{
	display: none;
	height: 160px;
	background-color: #0df;
	z-index: 2;
}
.tips{
	height: 130px;
	line-height: 40px;
	background-color: #343d46;
}
.copyright{
	height: 30px;
	line-height: 30px;
	width: 100%;
	background-color: #3A424A;
	z-index: 5;
}

.text{/*所有文字*/
	text-align: center;
	color: #fff;
	letter-spacing: 1px;
}
h3{
	margin: 0 auto;
	text-align: left;
	/*background-color: #936;*/
	display: inline-block;
}
.background{
	width:100%;
	line-height:30px;
	position: absolute;
	top:0px;
	text-align: center;
	font-size: 20px;
	color:#fff;
	user-select: none;
}